Clean energy

Wind

US offshore wind industry to hit major milestones in 2023

After years of delays, the fledgling offshore wind industry finally made headway in 2022. Here's a rundown of the sector's busy year and a preview of what lies ahead.

By Maria Gallucci . 26 December 2022
Clean energy

With new tax credits, clean energy beats gas plants almost every time

A new analysis shows that clean energy portfolios receiving federal IRA incentives will be cheaper than virtually all new gas plants proposed from now through 2035.

By Julian Spector . 20 December 2022
Climatetech finance

Arcadia raises $125M more to cap huge growth year in solar and software

The Washington, D.C.–based startup raised a total of $325M in 2022 and says it's now on a path to "near-term profitability.”

By Julian Spector . 16 December 2022
Clean energy

Chart: What's the top source of electricity in your state?

Twelve states now generate the largest share of their power from zero-carbon sources — wind, hydro or nuclear. The rest still rely most heavily on fossil fuels.

By Maria Virginia Olano . 16 December 2022
Solar

Floating solar panels could unlock clean power without wasting land

Scientists say "floatovoltaics" hold promise, especially on hydropower reservoirs — but the environmental impacts are still unclear.

By Sofia Moutinho . 15 December 2022
Nuclear

Fusion breakthrough thrills physicists, but won’t power your home soon

A nuclear fusion milestone (with frickin’ laser beams!) is a big deal. Alas, it could be decades before fusion might actually help clean up our energy system.

By Eric Wesoff . 13 December 2022
Solar

A 100MW solar farm in Texas will mount panels directly on the ground

Startup Erthos says its "earth-mount" approach can reduce utility-scale solar costs by up to 20% by eliminating steel racking.

By Eric Wesoff . 8 December 2022
Podcast

Solving the conundrum of industrial heat

New industrial heating technologies could help cut emissions in one of the most difficult sectors to decarbonize.

Play

By Shayle Kann . 47 min . 8 December 2022
Transmission

A giant clean-energy transmission line to New York City is now underway

Construction has begun on the 339-mile Champlain Hudson Power Express, which will deliver Canadian hydropower to NYC as the city retires fossil fuel plants.

By Maria Gallucci . 1 December 2022
Batteries

Kore Power raises $75M to build lithium-ion battery cells in Arizona

Federal tax credits and incentives are driving a boom in U.S. battery manufacturing. This U.S.-based battery maker wants in.

By Jeff St. John . 30 November 2022